21052668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1483}}^1$

素因数の和:1523

約数の個数: 72

約数和(自身を含む): 60832128

約数和(自身を除く): 39779460

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 1483, 2028, 2366, 2966, 3549, 4449, 4732, 5932, 7098, 8898, 10381, 14196, 17796, 19279, 20762, 31143, 38558, 41524, 57837, 62286, 77116, 115674, 124572, 134953, 231348, 250627, 269906, 404859, 501254, 539812, 751881, 809718, 1002508, 1503762, 1619436, 1754389, 3007524, 3508778, 5263167, 7017556, 10526334, 21052668]

約数ペア:

[(1, 21052668), (2, 10526334), (3, 7017556), (4, 5263167), (6, 3508778), (7, 3007524), (12, 1754389), (13, 1619436), (14, 1503762), (21, 1002508), (26, 809718), (28, 751881), (39, 539812), (42, 501254), (52, 404859), (78, 269906), (84, 250627), (91, 231348), (156, 134953), (169, 124572), (182, 115674), (273, 77116), (338, 62286), (364, 57837), (507, 41524), (546, 38558), (676, 31143), (1014, 20762), (1092, 19279), (1183, 17796), (1483, 14196), (2028, 10381), (2366, 8898), (2966, 7098), (3549, 5932), (4449, 4732)]